Cue ball



FIG. 1 is a top plan view of a cue ball showing my new design, thebottom plan view being a mirror image;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top, front and right side perspective view thereof; and,

FIG. 5 is a bottom, rear and left side perspective view thereof.

The ornamental design for a cue ball, as shown and described.